plazi/treatments-xml
2
0
Fork 0
Code Issues Pull requests Releases Activity
treatments-xml/data/4C/CA/43/4CCA4324197F5F9E94CF62788F9443DD.xml
maintenance b79ca1a6b7 added 4C
2024-06-21 12:35:51 +02:00

573 lines
83 KiB
XML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<document ID-DOI="http://dx.doi.org/10.3897/zse.100.117956" ID-Pensoft-Pub="1860-0743-2-357" ID-Pensoft-UUID="2E99466826035DE19518BCE1FB6606CC" ID-ZooBank="9ED1E92303F74EA2906B76A828481099" ModsDocID="1860-0743-100-2-357" checkinTime="1712193101765" checkinUser="pensoft" docAuthor="Garcia Facal, Guillermina, Ivanov, Veronica A. &amp; Menoret, Adriana" docDate="2024" docId="4CCA4324197F5F9E94CF62788F9443DD" docLanguage="en" docName="ZoosystEvol 100(2): 357-372" docOrigin="Zoosystematics and Evolution 100 (2)" docPubDate="2024-04-03" docSource="http://dx.doi.org/10.3897/zse.100.117956" docTitle="Rockacestus ottavianoi García Facal &amp; Ivanov &amp; Menoret 2024, sp. nov." docType="treatment" docUuid="75E09CF2-DC8D-470D-97EA-1ACEA43C6644" docUuidSource="ZooBank" docVersion="1" id="2E99466826035DE19518BCE1FB6606CC" lastPageNumber="357" masterDocId="2E99466826035DE19518BCE1FB6606CC" masterDocTitle="New species of Rockacestus (Cestoda, Phyllobothriidea) from skates of the genus Bathyraja (Rajiformes, Arhynchobatidae) in the Southwestern Atlantic Ocean with comments on the distribution of the genus" masterLastPageNumber="372" masterPageNumber="357" pageNumber="357" updateTime="1712193101765" updateUser="pensoft">
<mods:mods id="9827C2FDB02735D0906E4B28D7B39BFB" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="F6EB2E820A377160B095EBC865845944">
<mods:title id="DDDF67B6A8763176123809E267AE7239">New species of Rockacestus (Cestoda, Phyllobothriidea) from skates of the genus Bathyraja (Rajiformes, Arhynchobatidae) in the Southwestern Atlantic Ocean with comments on the distribution of the genus</mods:title>
</mods:titleInfo>
<mods:name id="056BCD1964B4C38A0C0FDBD73662CF2C" type="personal">
<mods:role id="F22ADB4A9FFA76A6DE07D4354378589D">
<mods:roleTerm id="5D9B6583A2E520457886C7C7AEC5BDE6">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="B0B318BDEC750F31F4F46120C1FBFBA8">Garcia Facal, Guillermina</mods:namePart>
<mods:nameIdentifier id="31810B33D422D262FA79CC77FB61261A" type="ORCID">https://orcid.org/0009-0001-3598-8464</mods:nameIdentifier>
<mods:affiliation id="B266DE3FF34F382D0AFD4EE5121B9D91">Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biologia Experimental, Laboratorio de Sistematica y Biologia de Parasitos de Organismos Acuaticos (SIBIPOA), Buenos Aires, Argentina &amp; CONICET-Universidad de Buenos Aires, Instituto de Biodiversidad y Biologia Experimental (IBBEA), Buenos Aires, Argentina</mods:affiliation>
<mods:nameIdentifier id="269104AF8146703F5DC60C5F49F17DF5" type="email">guillefacal@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name id="7CC9141D2C6549197E5097EB7FADCBF8" type="personal">
<mods:role id="86ACA3E7023418295F3C09F9928F9D32">
<mods:roleTerm id="7FED20C2A77BF9ABF26540E1326E3A8C">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="FE3F2819788FBBDCA0869FE0A580068F">Ivanov, Veronica A.</mods:namePart>
<mods:affiliation id="AFF272B02977F7482BF51927CBE5C389">Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biologia Experimental, Laboratorio de Sistematica y Biologia de Parasitos de Organismos Acuaticos (SIBIPOA), Buenos Aires, Argentina &amp; CONICET-Universidad de Buenos Aires, Instituto de Biodiversidad y Biologia Experimental (IBBEA), Buenos Aires, Argentina</mods:affiliation>
</mods:name>
<mods:name id="546F122C24A18C25A3648FC1826FAF9E" type="personal">
<mods:role id="C71EC989363CFB130AB6A67A893ECF24">
<mods:roleTerm id="CA5C949B097AD5AA4939E1023E28A802">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="7D8B07169C48D1ADBDFB94E8CE15A2D2">Menoret, Adriana</mods:namePart>
<mods:nameIdentifier id="0E7307D91546DFD893EE883FFBB6410B" type="ORCID">https://orcid.org/0009-0002-7977-6348</mods:nameIdentifier>
<mods:affiliation id="436391505701058E911D43FF3D3C5979">Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biologia Experimental, Laboratorio de Sistematica y Biologia de Parasitos de Organismos Acuaticos (SIBIPOA), Buenos Aires, Argentina &amp; CONICET-Universidad de Buenos Aires, Instituto de Biodiversidad y Biologia Experimental (IBBEA), Buenos Aires, Argentina</mods:affiliation>
<mods:nameIdentifier id="F0DD8C4442CD9EEFA5291075BE0796B6" type="email">menoret.a@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="4AB78E70DCAF1D0BECBF4A4BC46B8580">text</mods:typeOfResource>
<mods:relatedItem id="45F9429569344A3E38D83F0716F69B11" type="host">
<mods:titleInfo id="EDE684062D379CF969DF080D3FEBBDCD">
<mods:title id="A3F0C3D3AEE527711811EB74F8CF0507">Zoosystematics and Evolution</mods:title>
</mods:titleInfo>
<mods:part id="BF97220C368140FA13C0A2419B379699">
<mods:date id="E85AC1CDD4B71C14414183DF2F48C38D">2024</mods:date>
<mods:detail id="D14D430363921A6835AAFEDF9387C731" type="pubDate">
<mods:number id="B2F7F91DCE41D633C2B8F75544EBD62F">2024-04-03</mods:number>
</mods:detail>
<mods:detail id="FD866A176B6086EB51779B66815A7D9B" type="volume">
<mods:number id="427EDDA15C639D198481FED4D9F7AC0A">100</mods:number>
</mods:detail>
<mods:detail id="4276483AB4542FAB1BF856A4CDEF211D" type="issue">
<mods:number id="607FAA899F091B3D7E8EFE1FB1AF6A22">2</mods:number>
</mods:detail>
<mods:extent id="7A521154E183822B9C3186CFF9AE04A5" unit="page">
<mods:start id="4958BED9D31AB24D1841F54AFB29BA20">357</mods:start>
<mods:end id="FE2EAA685E9C53C9CA61F4CF5890CA1B">372</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location id="BD3E6F7DB19D2A5BAE3E3C179A7F0273">
<mods:url id="0076F9C9FF83A0E04BE995E0E96E7792">http://dx.doi.org/10.3897/zse.100.117956</mods:url>
</mods:location>
<mods:classification id="A75DB7D72517CD357B9A000D778828D4">journal article</mods:classification>
<mods:identifier id="ABEEE24908AB988B28FB1C67ED4F7F61" type="DOI">http://dx.doi.org/10.3897/zse.100.117956</mods:identifier>
<mods:identifier id="080871D34A183EDB6353BE5616F64033" type="Pensoft-Pub">1860-0743-2-357</mods:identifier>
<mods:identifier id="5456B273351E66129925B91A23A23C1E" type="ZooBank">9ED1E92303F74EA2906B76A828481099</mods:identifier>
<mods:identifier id="0F00FE86EFFBA41D572A326602F0C2FF" type="Pensoft-UUID">2E99466826035DE19518BCE1FB6606CC</mods:identifier>
</mods:mods>
<subSection id="F96C7271DEA6BB56046803B46820DB61" pageId="0" pageNumber="357" type="results">
<treatment id="4CCA4324197F5F9E94CF62788F9443DD" LSID="urn:lsid:zoobank.org:act:75E09CF2-DC8D-470D-97EA-1ACEA43C6644" httpUri="http://treatment.plazi.org/id/4CCA4324197F5F9E94CF62788F9443DD" lastPageNumber="357" pageId="0" pageNumber="357">
<subSubSection id="B16DDE64CAD772E81416CC4F4FD86908" pageId="0" pageNumber="357" type="nomenclature">
<paragraph id="C9D25AC7AA859E81A3BB9A6B01A3E427" pageId="0" pageNumber="357">
<taxonomicName id="F2D4E08FD09AB23E50D8D023F46CB6AC" LSID="https://zoobank.org/75E09CF2-DC8D-470D-97EA-1ACEA43C6644" authority="García Facal &amp; Ivanov &amp; Menoret, 2024" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus ottavianoi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="ottavianoi" status="sp. nov.">Rockacestus ottavianoi</taxonomicName>
<taxonomicNameLabel id="F096060FC869BE8082EFE8CCE715754E" pageId="0" pageNumber="357">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="086B0BF6AC308D81B575B632F9C99251" pageId="0" pageNumber="357" type="description">
<paragraph id="8E39E58E9E214D969704A28E8EB3C61E" pageId="0" pageNumber="357">
<figureCitation id="3442069E2AC209903CE077B37796EFEE" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Light micrographs of whole worms of Rockacestus from the Southwestern Atlantic Ocean. A. Rockacestus blasi sp. nov. (holotype MACN-Pa No. 783) from Bathyraja macloviana; B. Rockacestus magellanicus sp. nov. (holotype MACN-Pa No. 789) from Bathyraja magellanica; C. Rockacestus ottavianoi sp. nov. (holotype MACN-Pa 793) from Bathyraja magellanica." figureDoi="10.3897/zse.100.117956.figure1" httpUri="https://binary.pensoft.net/fig/1014939" pageId="0" pageNumber="357">Figs 1C</figureCitation>
<figureCitation id="340F50BE06DDD32F78D6BFDFF1CF82F5" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">, 4D, E</figureCitation>
<figureCitation id="5733AECD38FC1451A70EC06CA2F603C7" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in; B. Apical sucker, small letters indicate the location of details shown in Fig. 6 C, D; C. Surface of the external apical sucker rim, acicular filitriches and small lingulate spinitriches; D. Detail of distal apical sucker surface, lingulate spinitriches; E. Apex of scolex, acicular to capilliform filitriches; F, G. Distal bothridial surface, acicular filitriches and lingulate spinitriches; H. Proximal bothridial surface, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and short coniform spinitriches; J, K. Scutes on surface of neck; L. Detail of microtriches on marginal loculi." figureDoi="10.3897/zse.100.117956.figure6" httpUri="https://binary.pensoft.net/fig/1014944" pageId="0" pageNumber="357">, 6</figureCitation>
<figureCitation id="251796934AF9D94DB6AEBCBCD9F8921A" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">, 7G-I</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="65B0B7A0EE56C11BC3FF81BA96B95921" pageId="0" pageNumber="357" type="type material">
<paragraph id="14978AFE50BC371687B66D711D3A176B" pageId="0" pageNumber="357">Type material.</paragraph>
<paragraph id="B48A5ACFAFCEBCBA646A9F3FD5F7C601" pageId="0" pageNumber="357">
<emphasis id="8C9FE4A812726604C3F17F8A4B5FBAA8" bold="true" italics="true" pageId="0" pageNumber="357">Holotype</emphasis>
whole mature worm, off
<normalizedToken id="80E2423E4B458F063105FFBA0A22D2C3" originalValue="Río">Rio</normalizedToken>
Grande, Tierra del Fuego Province, Argentina (
<geoCoordinate id="065698835803E901BA54720C72C33609" degrees="54" direction="south" minutes="1.68" orientation="latitude" precision="9" value="-54.028">54°1.68'S</geoCoordinate>
,
<geoCoordinate id="D44F835ECCE336943354BDAF527E27EB" degrees="67" direction="west" minutes="6.81" orientation="longitude" precision="9" value="-67.1135">67°6.81'W</geoCoordinate>
), 193 m, 2 Apr. 2012, A. Menoret leg., MACN-Pa No. 793.
</paragraph>
<paragraph id="83D03E72310223D94837864DD89AD810" pageId="0" pageNumber="357">
<emphasis id="A1F153A93200B433AB09219BE4763FDC" bold="true" italics="true" pageId="0" pageNumber="357">Paratypes</emphasis>
1 whole mature worm, 1 whole mature strobila (SEM voucher), cross-section of 1 attached mature proglottid, same data as holotype, MACN-Pa Nos. 794/1-13. One whole mature worm, same data as for preceding, MLP-He No. 8100.
</paragraph>
<paragraph id="2F726F05E6248D0CEBD5D34664F3BAD7" pageId="0" pageNumber="357">
<emphasis id="E6B6C48A788614D8B3585DAE1C0F5476" bold="true" italics="true" pageId="0" pageNumber="357">Description</emphasis>
. Based on 4 specimens (3 whole mature worms, and 1 strobila without scolex), cross-sections of 1 mature proglottid, and 2 scoleces examined with SEM. Worms euapolytic, 23.1-53.1 (39.1
<normalizedToken id="64041126292915BFD2B58A490F9958BA" originalValue="±">+/-</normalizedToken>
13.8, n = 4) mm long, 124-195 (156
<normalizedToken id="DD703A5DFAB3C5BE050C5046D444C467" originalValue="±">+/-</normalizedToken>
36, n = 3) craspedote proglottids per worm (Fig.
<figureCitation id="A3E779EB6091DA1B627EE5800061E819" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Light micrographs of whole worms of Rockacestus from the Southwestern Atlantic Ocean. A. Rockacestus blasi sp. nov. (holotype MACN-Pa No. 783) from Bathyraja macloviana; B. Rockacestus magellanicus sp. nov. (holotype MACN-Pa No. 789) from Bathyraja magellanica; C. Rockacestus ottavianoi sp. nov. (holotype MACN-Pa 793) from Bathyraja magellanica." figureDoi="10.3897/zse.100.117956.figure1" httpUri="https://binary.pensoft.net/fig/1014939" pageId="0" pageNumber="357">1C</figureCitation>
). Maximum width at level of scolex. Scolex composed of 4 bothridia, 590-750 (648
<normalizedToken id="2D8B4C5B5D423BFC0DD85BEED7112B1F" originalValue="±">+/-</normalizedToken>
70, n = 4) long, 978-1,250 (1,133
<normalizedToken id="8703FE3C33245D48C5F832CE52F0E80B" originalValue="±">+/-</normalizedToken>
36, n = 4) wide (Figs
<figureCitation id="ED5C4F27B99C93B2113E9D51F64D84B2" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4D</figureCitation>
,
<figureCitation id="E4982F3D864B8A9BA226818E000C3DFF" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in; B. Apical sucker, small letters indicate the location of details shown in Fig. 6 C, D; C. Surface of the external apical sucker rim, acicular filitriches and small lingulate spinitriches; D. Detail of distal apical sucker surface, lingulate spinitriches; E. Apex of scolex, acicular to capilliform filitriches; F, G. Distal bothridial surface, acicular filitriches and lingulate spinitriches; H. Proximal bothridial surface, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and short coniform spinitriches; J, K. Scutes on surface of neck; L. Detail of microtriches on marginal loculi." figureDoi="10.3897/zse.100.117956.figure6" httpUri="https://binary.pensoft.net/fig/1014944" pageId="0" pageNumber="357">6A</figureCitation>
). Bothridia folded, 530-600 (570
<normalizedToken id="B8DAD8AFC6B151E4A37022E511A2E9D5" originalValue="±">+/-</normalizedToken>
36, n = 3) long, 520-720 (613
<normalizedToken id="50548AF0EB2F471945A5CC9C77E302B0" originalValue="±">+/-</normalizedToken>
101, n = 3) wide when folded, sessile anteriorly, free posteriorly, consisting of apical sucker and marginal loculi. Posterior part of each bothridium with weak depression surrounded by circular band of muscle (Figs
<figureCitation id="6AEAEE08E85660C35EF44A35A981D359" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4D</figureCitation>
,
<figureCitation id="D256B48B6B867EB1296E17FD24B5B912" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in; B. Apical sucker, small letters indicate the location of details shown in Fig. 6 C, D; C. Surface of the external apical sucker rim, acicular filitriches and small lingulate spinitriches; D. Detail of distal apical sucker surface, lingulate spinitriches; E. Apex of scolex, acicular to capilliform filitriches; F, G. Distal bothridial surface, acicular filitriches and lingulate spinitriches; H. Proximal bothridial surface, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and short coniform spinitriches; J, K. Scutes on surface of neck; L. Detail of microtriches on marginal loculi." figureDoi="10.3897/zse.100.117956.figure6" httpUri="https://binary.pensoft.net/fig/1014944" pageId="0" pageNumber="357">6A</figureCitation>
). Apical sucker 100-130 (113
<normalizedToken id="7F2EB0EA96E12594ECE19EC843FC26CA" originalValue="±">+/-</normalizedToken>
15, n = 3) long, 110-140 (125
<normalizedToken id="75D091E0A70F97E09D49A042C11C357B" originalValue="±">+/-</normalizedToken>
13, n = 3) wide (Figs
<figureCitation id="1FD3B4D995ABBC15DFB119B03AC68B2E" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4D</figureCitation>
,
<figureCitation id="86A351EECF83C177213CF8319DA9BA8A" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in; B. Apical sucker, small letters indicate the location of details shown in Fig. 6 C, D; C. Surface of the external apical sucker rim, acicular filitriches and small lingulate spinitriches; D. Detail of distal apical sucker surface, lingulate spinitriches; E. Apex of scolex, acicular to capilliform filitriches; F, G. Distal bothridial surface, acicular filitriches and lingulate spinitriches; H. Proximal bothridial surface, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and short coniform spinitriches; J, K. Scutes on surface of neck; L. Detail of microtriches on marginal loculi." figureDoi="10.3897/zse.100.117956.figure6" httpUri="https://binary.pensoft.net/fig/1014944" pageId="0" pageNumber="357">6A, B</figureCitation>
). Cephalic peduncle, absent. Neck 11.6-25.3 (19.4
<normalizedToken id="6C5829401BFF3053ACEC10D4631561C2" originalValue="±">+/-</normalizedToken>
6.0, n = 4) mm long.
</paragraph>
<caption id="6CEF6FBB8680CDE12C597EBE2E9B2B2E" doi="10.3897/zse.100.117956.figure6" httpUri="https://binary.pensoft.net/fig/1014944" pageId="0" pageNumber="357" start="Figure 6" startId="F6">
<paragraph id="19E9427D20BA49A4DA8DDC2D3EA51439" pageId="0" pageNumber="357">
<emphasis id="BDBF939D6174D4031AA2DC85566DDC80" bold="true" pageId="0" pageNumber="357">Figure 6.</emphasis>
<taxonomicName id="D9356B50766095E3629B15CCFB0B0E11" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus ottavianoi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="ottavianoi">
<emphasis id="5100E41794DB09E1EF41D0F407361EE1" italics="true" pageId="0" pageNumber="357">Rockacestus ottavianoi</emphasis>
</taxonomicName>
sp. nov. from
<taxonomicName id="84B557F2E159F61E5755F40D3905A502" baseAuthorityName="Philippi" baseAuthorityYear="1902" class="Chondrichthyes" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyraja magellanica" order="Rajiformes" pageId="0" pageNumber="357" phylum="Chordata" rank="species" species="magellanica">
<emphasis id="98FFED2EDDB1DC22CBB02C4B7D194B88" italics="true" pageId="0" pageNumber="357">Bathyraja magellanica</emphasis>
</taxonomicName>
, scanning electron micrographs.
<emphasis id="3840C98A9850AD06F2A56CC917A7DA92" bold="true" pageId="0" pageNumber="357">A.</emphasis>
Scolex, small letters indicate the location of details shown in;
<emphasis id="5AF114CFA97E71CEF68B0FB0BA93D1DA" bold="true" pageId="0" pageNumber="357">B.</emphasis>
Apical sucker, small letters indicate the location of details shown in Fig.
<figureCitation id="1A6A2CC88A3F82F3E2DC79F8B855931B" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in; B. Apical sucker, small letters indicate the location of details shown in Fig. 6 C, D; C. Surface of the external apical sucker rim, acicular filitriches and small lingulate spinitriches; D. Detail of distal apical sucker surface, lingulate spinitriches; E. Apex of scolex, acicular to capilliform filitriches; F, G. Distal bothridial surface, acicular filitriches and lingulate spinitriches; H. Proximal bothridial surface, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and short coniform spinitriches; J, K. Scutes on surface of neck; L. Detail of microtriches on marginal loculi." figureDoi="10.3897/zse.100.117956.figure6" httpUri="https://binary.pensoft.net/fig/1014944" pageId="0" pageNumber="357">6C, D</figureCitation>
;
<emphasis id="9827213A4AB415DCCDE49A63FD34EAFE" bold="true" pageId="0" pageNumber="357">C.</emphasis>
Surface of the external apical sucker rim, acicular filitriches and small lingulate spinitriches;
<emphasis id="1CDB483F5F2C039045A5112065FC9E6F" bold="true" pageId="0" pageNumber="357">D.</emphasis>
Detail of distal apical sucker surface, lingulate spinitriches;
<emphasis id="A87D0377D8E0C13613B2F57B897D691E" bold="true" pageId="0" pageNumber="357">E.</emphasis>
Apex of scolex, acicular to capilliform filitriches;
<emphasis id="F191C5603ADA3471473E4C9A87734165" bold="true" pageId="0" pageNumber="357">F, G.</emphasis>
Distal bothridial surface, acicular filitriches and lingulate spinitriches;
<emphasis id="E379BE37FBD99ECFA5B86CC9FF375DF4" bold="true" pageId="0" pageNumber="357">H.</emphasis>
Proximal bothridial surface, acicular filitriches;
<emphasis id="36906204631B4FAEA169B72081DAF1C1" bold="true" pageId="0" pageNumber="357">I.</emphasis>
Distal surface of marginal loculi, acicular filitriches and short coniform spinitriches;
<emphasis id="7065CBBB734E88559CEDC780EC6CD324" bold="true" pageId="0" pageNumber="357">J, K.</emphasis>
Scutes on surface of neck;
<emphasis id="755ADB7E0426022D9191792118A74B1F" bold="true" pageId="0" pageNumber="357">L.</emphasis>
Detail of microtriches on marginal loculi.
</paragraph>
</caption>
<paragraph id="D868D0810048D35225D4E4453B3D1A2E" pageId="0" pageNumber="357">
Apex of scolex proper covered with acicular to capilliform filitriches (Fig.
<figureCitation id="40EA0916FA8A01E5E0A5C7BE187A582B" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in; B. Apical sucker, small letters indicate the location of details shown in Fig. 6 C, D; C. Surface of the external apical sucker rim, acicular filitriches and small lingulate spinitriches; D. Detail of distal apical sucker surface, lingulate spinitriches; E. Apex of scolex, acicular to capilliform filitriches; F, G. Distal bothridial surface, acicular filitriches and lingulate spinitriches; H. Proximal bothridial surface, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and short coniform spinitriches; J, K. Scutes on surface of neck; L. Detail of microtriches on marginal loculi." figureDoi="10.3897/zse.100.117956.figure6" httpUri="https://binary.pensoft.net/fig/1014944" pageId="0" pageNumber="357">6E</figureCitation>
). Proximal bothridial surface covered with acicular filitriches (Fig.
<figureCitation id="919685D0F2C4F2DB6D16A757F102351F" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in; B. Apical sucker, small letters indicate the location of details shown in Fig. 6 C, D; C. Surface of the external apical sucker rim, acicular filitriches and small lingulate spinitriches; D. Detail of distal apical sucker surface, lingulate spinitriches; E. Apex of scolex, acicular to capilliform filitriches; F, G. Distal bothridial surface, acicular filitriches and lingulate spinitriches; H. Proximal bothridial surface, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and short coniform spinitriches; J, K. Scutes on surface of neck; L. Detail of microtriches on marginal loculi." figureDoi="10.3897/zse.100.117956.figure6" httpUri="https://binary.pensoft.net/fig/1014944" pageId="0" pageNumber="357">6H</figureCitation>
). Distal bothridial surface covered with acicular filitriches interspersed with lingulate spinitriches, lingulate spinitriches increasing in density posteriorly (Fig.
<figureCitation id="F717C6E42FA6052ED1A34663A9CDC90E" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in; B. Apical sucker, small letters indicate the location of details shown in Fig. 6 C, D; C. Surface of the external apical sucker rim, acicular filitriches and small lingulate spinitriches; D. Detail of distal apical sucker surface, lingulate spinitriches; E. Apex of scolex, acicular to capilliform filitriches; F, G. Distal bothridial surface, acicular filitriches and lingulate spinitriches; H. Proximal bothridial surface, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and short coniform spinitriches; J, K. Scutes on surface of neck; L. Detail of microtriches on marginal loculi." figureDoi="10.3897/zse.100.117956.figure6" httpUri="https://binary.pensoft.net/fig/1014944" pageId="0" pageNumber="357">6F, G</figureCitation>
). Distal surface of apical sucker covered with acicular filitriches interspersed with small lingulate spinitriches; posterior half of external rim of apical sucker with lanceolate spinitriches (Fig.
<figureCitation id="A7EB9D1F885616B715420BE13BC11108" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in; B. Apical sucker, small letters indicate the location of details shown in Fig. 6 C, D; C. Surface of the external apical sucker rim, acicular filitriches and small lingulate spinitriches; D. Detail of distal apical sucker surface, lingulate spinitriches; E. Apex of scolex, acicular to capilliform filitriches; F, G. Distal bothridial surface, acicular filitriches and lingulate spinitriches; H. Proximal bothridial surface, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and short coniform spinitriches; J, K. Scutes on surface of neck; L. Detail of microtriches on marginal loculi." figureDoi="10.3897/zse.100.117956.figure6" httpUri="https://binary.pensoft.net/fig/1014944" pageId="0" pageNumber="357">6B-D</figureCitation>
); cilia found throughout distal surface of apical sucker. Distal surface of marginal loculi covered with acicular filitriches interspersed with short coniform spinitriches (Fig.
<figureCitation id="EA6E921555C1640B0BD74C10E872F029" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in; B. Apical sucker, small letters indicate the location of details shown in Fig. 6 C, D; C. Surface of the external apical sucker rim, acicular filitriches and small lingulate spinitriches; D. Detail of distal apical sucker surface, lingulate spinitriches; E. Apex of scolex, acicular to capilliform filitriches; F, G. Distal bothridial surface, acicular filitriches and lingulate spinitriches; H. Proximal bothridial surface, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and short coniform spinitriches; J, K. Scutes on surface of neck; L. Detail of microtriches on marginal loculi." figureDoi="10.3897/zse.100.117956.figure6" httpUri="https://binary.pensoft.net/fig/1014944" pageId="0" pageNumber="357">6I, L</figureCitation>
). Capilliform filitriches on neck and strobila arranged in scutes (Fig.
<figureCitation id="E9469D7288EC3119EACB696A0AF88B37" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica, scanning electron micrographs. A. Scolex, small letters indicate the location of details shown in; B. Apical sucker, small letters indicate the location of details shown in Fig. 6 C, D; C. Surface of the external apical sucker rim, acicular filitriches and small lingulate spinitriches; D. Detail of distal apical sucker surface, lingulate spinitriches; E. Apex of scolex, acicular to capilliform filitriches; F, G. Distal bothridial surface, acicular filitriches and lingulate spinitriches; H. Proximal bothridial surface, acicular filitriches; I. Distal surface of marginal loculi, acicular filitriches and short coniform spinitriches; J, K. Scutes on surface of neck; L. Detail of microtriches on marginal loculi." figureDoi="10.3897/zse.100.117956.figure6" httpUri="https://binary.pensoft.net/fig/1014944" pageId="0" pageNumber="357">6J, K</figureCitation>
).
</paragraph>
<paragraph id="F988F78B10B0EC81D5D23D3A9CE79E13" pageId="0" pageNumber="357">
Immature proglottids wider than long, 123-179 (150
<normalizedToken id="48B99D8C20083A2B23A1217CD7538EE4" originalValue="±">+/-</normalizedToken>
28, n = 3) in number (Fig.
<figureCitation id="3953FB8CCE9F0BCBCB333E72B0BF7A37" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Light micrographs of whole worms of Rockacestus from the Southwestern Atlantic Ocean. A. Rockacestus blasi sp. nov. (holotype MACN-Pa No. 783) from Bathyraja macloviana; B. Rockacestus magellanicus sp. nov. (holotype MACN-Pa No. 789) from Bathyraja magellanica; C. Rockacestus ottavianoi sp. nov. (holotype MACN-Pa 793) from Bathyraja magellanica." figureDoi="10.3897/zse.100.117956.figure1" httpUri="https://binary.pensoft.net/fig/1014939" pageId="0" pageNumber="357">1C</figureCitation>
). Mature proglottids wider than long, becoming longer than wide with maturity, 2-16 (6
<normalizedToken id="AB4123659A54C5D8A2CC42439927FE3F" originalValue="±">+/-</normalizedToken>
7, n = 4) in number (Fig.
<figureCitation id="D8C435ECD814B2F0360F6B57348335DA" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Light micrographs of whole worms of Rockacestus from the Southwestern Atlantic Ocean. A. Rockacestus blasi sp. nov. (holotype MACN-Pa No. 783) from Bathyraja macloviana; B. Rockacestus magellanicus sp. nov. (holotype MACN-Pa No. 789) from Bathyraja magellanica; C. Rockacestus ottavianoi sp. nov. (holotype MACN-Pa 793) from Bathyraja magellanica." figureDoi="10.3897/zse.100.117956.figure1" httpUri="https://binary.pensoft.net/fig/1014939" pageId="0" pageNumber="357">1C</figureCitation>
). Terminal mature proglottid longer than wide, 970-1,460 (1,220
<normalizedToken id="2E452D34E2EFCC8A824B4A3800C67BA0" originalValue="±">+/-</normalizedToken>
207) long, 570-760 (663
<normalizedToken id="D0D9B2036B33DB926F160C40958BCDB1" originalValue="±">+/-</normalizedToken>
81) wide, length-to-width ratio, 1.4-2.3 (1.9
<normalizedToken id="D7A94863D2BD94361F5FC1C525619052" originalValue="±">+/-</normalizedToken>
0.4, n = 4): 1 (Fig.
<figureCitation id="F263EE08A59755F3F473112D48363393" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4E</figureCitation>
).
</paragraph>
<paragraph id="9385B4072026E76BCE512B0A55709283" pageId="0" pageNumber="357">
Testes oblong, 92-152 (108
<normalizedToken id="EA83CC9BEE7270F09F3F128AC467C6EC" originalValue="±">+/-</normalizedToken>
39, n = 3) in total number, 55-68 (60
<normalizedToken id="D8174B5CBC3BAD46502F671E6131650B" originalValue="±">+/-</normalizedToken>
5, n = 4) long, 43-52 (46
<normalizedToken id="34EEF4C41B86E1B5F4E2A1B40B30C3E2" originalValue="±">+/-</normalizedToken>
4, n = 4) wide, extending from anterior margin of proglottid to anterior quarter of ovary; arranged in 6-7 columns anteroposteriorly and 2 layers deep in cross-section observed in anterior portion of proglottid (Figs
<figureCitation id="7840BE5E3105D346318B3760DE50475C" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4E</figureCitation>
,
<figureCitation id="09DD2CAE9620F91A86B511F8AB7C96D8" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">7G</figureCitation>
). Cirrus sac oval, curved anteriorly, 350-395 (365
<normalizedToken id="FDBAED6F67BBE15A0A444F6362307B78" originalValue="±">+/-</normalizedToken>
26, n = 3) long, 125-165 (138
<normalizedToken id="8065EDD1BF23AB4A3DAEE20CE6F85E9C" originalValue="±">+/-</normalizedToken>
23, n = 3) wide. Cirrus coiled, armed with minute spinitriches. Vas deferens highly coiled, extending anteriorly to vagina bend, overlapping medial portion of cirrus sac, anterior to cirrus sac (Fig.
<figureCitation id="61F597C1423215D2994E966899EC6A72" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4E</figureCitation>
).
</paragraph>
<paragraph id="6FA7B0E47D30909B5D738D3DCABE8072" pageId="0" pageNumber="357">
Ovary lobulated, H-shaped in frontal view, X-shaped in cross-section at level of isthmus, 345-500 (408
<normalizedToken id="1298C230D5F2CDD3078D896E0E6568EA" originalValue="±">+/-</normalizedToken>
81, n = 3) long, 235-355 (292
<normalizedToken id="878FE7DAB27F6E115115D02309A1467E" originalValue="±">+/-</normalizedToken>
60) wide (Figs
<figureCitation id="DF8314E84EA36B3FD465AC626044C897" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4E</figureCitation>
,
<figureCitation id="1222E17B79072A6DF05A4185450F5708" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">7I</figureCitation>
). Vagina thick-walled, extending anteriorly from the ootype region forming a seminal receptacle, to bulk of vas deferens descending laterally along anterior margin of cirrus sac to enter genital atrium anterior to cirrus (Figs
<figureCitation id="40910DB97248E6981F7A7376B2AF373C" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4E</figureCitation>
,
<figureCitation id="E8F2010E52F65A5A94F7E5CB4F571109" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">7I</figureCitation>
). Vagina and cirrus sac join into genital atrium, 50-60 (55
<normalizedToken id="EA75B69194D4428C92BF37912F53BD16" originalValue="±">+/-</normalizedToken>
7, n = 2) deep. Genital pores alternate irregularly, 68-74% (71
<normalizedToken id="BDACBF28991B33CA08A2AC00D2D2A6CA" originalValue="±">+/-</normalizedToken>
2, n = 4) of proglottid length from posterior margin of proglottid. Vitellarium follicular, follicles irregular in shape, 28-55 (39
<normalizedToken id="E2A34AE25997021870EDD0731FC55E99" originalValue="±">+/-</normalizedToken>
12, n = 4) long, 43-50 (46
<normalizedToken id="593B3107F22E43E9480FCFEA41C97769" originalValue="±">+/-</normalizedToken>
3, n = 4) wide, arranged in 2 lateral bands almost reaching the midline in anterior third of proglottid, each band consisting of multiple columns (5-6 columns anterior to cirrus sac) of follicles, extending throughout the length of proglottid, uninterrupted by ovary, interrupted partially by genital atrium (Figs
<figureCitation id="C10B65D9AACEAF9C7EA4F046C2B9021B" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4E</figureCitation>
,
<figureCitation id="B79EBF6386A700E5147C89BB93AE466C" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">7G-I</figureCitation>
). Uterus saccate, restricted to region between ovary and cirrus sac running anteriorly up to genital pore level, uterine duct observed (Figs
<figureCitation id="00BCDD1CB8F6008ED6FF7C85F98E4A8F" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4E</figureCitation>
,
<figureCitation id="C47FDF2FA35DFBC1604F78B80D4E8AD7" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Light micrographs of cross-sections of mature proglottids of species of Rockacestus off Argentina. A-C. Rockacestus blasi sp. nov.; A. At the level of the testes, anterior to the cirrus sac; B. At the level of the cirrus sac; C. At the level of ovarian isthmus; D-F. Rockacestus magellanicus sp. nov.; D. At the level of the testes, anterior to the cirrus sac; E. At the level of the cirrus sac; F. At the level of ovarian isthmus; G-I. Rockacestus ottavianoi sp. nov; G. At the level of the testes, anterior to the cirrus sac; H. At the level of the cirrus sac; I. At the level of ovarian isthmus; cs - cirrus sac; oc - ovicapt; ov - ovary; sr - seminal receptacle; t - testes; u - uterus; ut - uteroduct; vd - vas deferens; vf - vitelline follicle; vg - vagina; vod - ventral osmoregulatory duct." figureDoi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357">7H</figureCitation>
).
<normalizedToken id="38C58AB44CBA4C859D54981AB8E55645" originalValue="Mehlis´">Mehlis'</normalizedToken>
gland, 90-110 (99
<normalizedToken id="A01F26F98A960F006A061FE63D03D0F5" originalValue="±">+/-</normalizedToken>
9, n = 4) long, 63-100 (76
<normalizedToken id="DD8A03A1B52ADD9ECC55A20BFBAB4230" originalValue="±">+/-</normalizedToken>
17, n = 4) wide, posterior to ovarian isthmus (Fig.
<figureCitation id="CAD022E0550A7B87E3791EAC6FB832B9" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Line drawings of species of Rockacestus from the Southwestern Atlantic. A-C. Rockacestus magellanicus sp. nov. from Bathyraja magellanica; A. Bothridium (paratype MLP-He No. 8099); B. Detail of ootype region, mature proglottid (paratype MACN-Pa No. 790 / 4); C. Terminal mature proglottid (paratype MLP-He No. 8098); D-E. Rockacestus ottavianoi sp. nov. from Bathyraja magellanica; D. Bothridium (paratype MACN-Pa No. 794 / 1); E. Terminal mature proglottid (holotype MACN-Pa No. 793)." figureDoi="10.3897/zse.100.117956.figure4" httpUri="https://binary.pensoft.net/fig/1014942" pageId="0" pageNumber="357">4E</figureCitation>
).
</paragraph>
<caption id="1258AD44A365C05839D97FDB12324D58" doi="10.3897/zse.100.117956.figure7" httpUri="https://binary.pensoft.net/fig/1014945" pageId="0" pageNumber="357" start="Figure 7" startId="F7">
<paragraph id="6A231742CED71A44D4552A870B62C7F5" pageId="0" pageNumber="357">
<emphasis id="0826D012F6BB5EE7DBECF299B79B3123" bold="true" pageId="0" pageNumber="357">Figure 7.</emphasis>
Light micrographs of cross-sections of mature proglottids of species of
<taxonomicName id="187A9EAB7D9DD6C30E9F5F04BDA7A954" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="genus">
<emphasis id="48BA154D16086BDED4F050D171CF0B79" italics="true" pageId="0" pageNumber="357">Rockacestus</emphasis>
</taxonomicName>
off Argentina.
<emphasis id="6E299E057096901619887813F074B43F" bold="true" pageId="0" pageNumber="357">A-C.</emphasis>
<taxonomicName id="E28807C0926D78C80A6551830A474BCE" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus blasi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="blasi">
<emphasis id="A38DA3B6A19BC2A587735B478BA9182B" italics="true" pageId="0" pageNumber="357">Rockacestus blasi</emphasis>
</taxonomicName>
sp. nov.;
<emphasis id="9CD490944DB6EB76625F94BE24A9D8F5" bold="true" pageId="0" pageNumber="357">A.</emphasis>
At the level of the testes, anterior to the cirrus sac;
<emphasis id="287B321DBC5E05960EC83885C5309E0D" bold="true" pageId="0" pageNumber="357">B.</emphasis>
At the level of the cirrus sac;
<emphasis id="2AD5739B8BC0475DAC653F06AE47F087" bold="true" pageId="0" pageNumber="357">C.</emphasis>
At the level of ovarian isthmus;
<emphasis id="11532931AD1DDADA80C6CCCA9C034C46" bold="true" pageId="0" pageNumber="357">D-F.</emphasis>
<taxonomicName id="76F474B6DB6866FCA7C81CC4515366F2" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus">
<emphasis id="C7C8B1E9CE6620FADD8325C48A840CE8" italics="true" pageId="0" pageNumber="357">Rockacestus magellanicus</emphasis>
</taxonomicName>
sp. nov.;
<emphasis id="BF3D21E076C9B351EBB2618807DDAD92" bold="true" pageId="0" pageNumber="357">D.</emphasis>
At the level of the testes, anterior to the cirrus sac;
<emphasis id="D02F80B6A69B4E0C1816C833307A6166" bold="true" pageId="0" pageNumber="357">E.</emphasis>
At the level of the cirrus sac;
<emphasis id="DB95A73D7EA5996F474893060000FCCC" bold="true" pageId="0" pageNumber="357">F.</emphasis>
At the level of ovarian isthmus;
<emphasis id="667DF8F1835BAAA8437921AE8F0A3568" bold="true" pageId="0" pageNumber="357">G-I.</emphasis>
<taxonomicName id="D22F5D68F75B56CA77D25DFD8825A92F" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus ottavianoi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="ottavianoi">
<emphasis id="988A68707F0B6F8E7248A7974FDA1B8F" italics="true" pageId="0" pageNumber="357">Rockacestus ottavianoi</emphasis>
</taxonomicName>
sp. nov;
<emphasis id="13751DFFCF5EA8214DB84EA7BEC4FC1D" bold="true" pageId="0" pageNumber="357">G.</emphasis>
At the level of the testes, anterior to the cirrus sac;
<emphasis id="39E7FD123999ECE000611B8C1B61F8BE" bold="true" pageId="0" pageNumber="357">H.</emphasis>
At the level of the cirrus sac;
<emphasis id="37CAD3645B4439FDDA327FD882293B46" bold="true" pageId="0" pageNumber="357">I.</emphasis>
At the level of ovarian isthmus;
<emphasis id="5F3B1E33471C65B9FE1B6B2A9B105F43" bold="true" pageId="0" pageNumber="357">cs</emphasis>
- cirrus sac;
<emphasis id="071A86FFCFF65E4E63121850EF9B47AB" bold="true" pageId="0" pageNumber="357">oc</emphasis>
- ovicapt;
<emphasis id="4363EADC810E714D052EC28739A43804" bold="true" pageId="0" pageNumber="357">ov</emphasis>
- ovary; sr - seminal receptacle;
<emphasis id="12EDFD448D8C9466EE77FF0DFCE66369" bold="true" pageId="0" pageNumber="357">t</emphasis>
- testes;
<emphasis id="7EE6BB95E2C9CE8BB06DE040947ECD74" bold="true" pageId="0" pageNumber="357">u</emphasis>
- uterus;
<emphasis id="8BD6A898BE010C9D3E90ADD326B7096D" bold="true" pageId="0" pageNumber="357">ut</emphasis>
- uteroduct;
<emphasis id="66F691B0C373211A19792BD522A8DC44" bold="true" pageId="0" pageNumber="357">vd</emphasis>
- vas deferens;
<emphasis id="EE1671999A276A776146208E049F0627" bold="true" pageId="0" pageNumber="357">vf</emphasis>
- vitelline follicle;
<emphasis id="8B74DEDA7CD4A021B569077C1F5580D4" bold="true" pageId="0" pageNumber="357">vg</emphasis>
- vagina;
<emphasis id="6235564205A2924ABF1FA5DC115A4FEE" bold="true" pageId="0" pageNumber="357">vod</emphasis>
- ventral osmoregulatory duct.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="F35F9C1BB7BF3D0AE31F839F5F4198E1" pageId="0" pageNumber="357" type="host">
<paragraph id="B68F60F56F026B65DE4921B56479183C" pageId="0" pageNumber="357">Host.</paragraph>
<paragraph id="9CBD5128EB164B4F005724F96DD9327A" pageId="0" pageNumber="357">
<taxonomicName id="04F6ED31DA5BF24C1A64AE568F3DE137" baseAuthorityName="Philippi" baseAuthorityYear="1902" class="Chondrichthyes" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyraja magellanica" order="Rajiformes" pageId="0" pageNumber="357" phylum="Chordata" rank="species" species="magellanica">
<emphasis id="16D6B86D20EABFBE4EE893425A51CEA0" italics="true" pageId="0" pageNumber="357">Bathyraja magellanica</emphasis>
</taxonomicName>
(Philippi, 1902), Magellan skate (
<taxonomicName id="6358CC1F7BD503F728DC9CC9938AB070" class="Chondrichthyes" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="" order="Rajiformes" pageId="0" pageNumber="357" phylum="Chordata" rank="order">Rajiformes</taxonomicName>
,
<taxonomicName id="F48A23645416635D57832F3A5BC678C9" class="Elasmobranchii" family="Arhynchobatidae" kingdom="Animalia" lsidName="" order="Rajiformes" pageId="0" pageNumber="357" phylum="Chordata" rank="family">Arhynchobatidae</taxonomicName>
) (type host). Prevalence of infection, 10% in
<taxonomicName id="83000E9A93D636D748A0249FC1776426" lsidName="B. magellanica" pageId="0" pageNumber="357" rank="species" species="magellanica">
<emphasis id="4C455B9ADD3FBB032B3C1DE6F4AF1B5A" italics="true" pageId="0" pageNumber="357">B. magellanica</emphasis>
</taxonomicName>
(1 host infected out of 10 examined).
</paragraph>
</subSubSection>
<subSubSection id="7BF9EFF9D4E39D6CB726D0816EC0E4F5" pageId="0" pageNumber="357" type="etymology">
<paragraph id="F295DDA52ADE7AE2803F9D7718C8439F" pageId="0" pageNumber="357">Etymology.</paragraph>
<paragraph id="79E58379F5A38309E2D0188792EE2A97" pageId="0" pageNumber="357">This species is named in honor of Juan Manuel Ottaviano for his genuine and loyal friendship over the years.</paragraph>
</subSubSection>
<subSubSection id="3EA4B285C3148DC560381A72133E2FA0" pageId="0" pageNumber="357" type="distribution">
<paragraph id="5A8F3BD5AE52D0AE1D1AFFB394ADF80A" pageId="0" pageNumber="357">Distribution.</paragraph>
<paragraph id="66F21191FBFFDA27E1612CC8DC55B331" pageId="0" pageNumber="357">
This species is known from its type locality, off
<normalizedToken id="BA2B79559C68FA23A69882CD4CB29D0E" originalValue="Río">Rio</normalizedToken>
Grande, Tierra del Fuego Province, Argentina (54°1.68'S, 67°6.81'W).
</paragraph>
</subSubSection>
<subSubSection id="8CAF05D5EF8CA6CF618B248750E3BB4A" pageId="0" pageNumber="357" type="remarks">
<paragraph id="792B6B72682A1751054054BC6043CF8E" pageId="0" pageNumber="357">Remarks.</paragraph>
<paragraph id="62CA7EE968EE18A71689438DD8F1EB26" pageId="0" pageNumber="357">
<taxonomicName id="FE3358E9D01E629968DB01B6123F9FA4" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus ottavianoi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="ottavianoi">
<emphasis id="32DB284DAD522565A427D6732D82144F" italics="true" pageId="0" pageNumber="357">Rockacestus ottavianoi</emphasis>
</taxonomicName>
sp. nov. can be distinguished from
<taxonomicName id="D0D8369ECF58AFBE56EB3252553A7858" class="Cestoda" kingdom="Animalia" lsidName="R. arctowskii" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="arctowskii">
<emphasis id="E2AE3A9DCCC662F2C2D311ACB0C2B849" italics="true" pageId="0" pageNumber="357">R. arctowskii</emphasis>
</taxonomicName>
,
<taxonomicName id="E0D3887222DD59F2638CBA52ED7BE8A7" class="Cestoda" kingdom="Animalia" lsidName="R. carvajali" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="carvajali">
<emphasis id="BE8123F8D751FE7134974CF78E791926" italics="true" pageId="0" pageNumber="357">R. carvajali</emphasis>
</taxonomicName>
,
<taxonomicName id="BE92A297B768943F7742AAAB9B2C4871" class="Cestoda" kingdom="Animalia" lsidName="R. conchai" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="conchai">
<emphasis id="A957436A6530B97F555B9B2FE8CFE36E" italics="true" pageId="0" pageNumber="357">R. conchai</emphasis>
</taxonomicName>
, and
<taxonomicName id="062CB81C2F4FEEED4F4B75913716C74E" class="Cestoda" kingdom="Animalia" lsidName="R. magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus">
<emphasis id="DD445579FB21DD69FA870981468D5103" italics="true" pageId="0" pageNumber="357">R. magellanicus</emphasis>
</taxonomicName>
sp. nov. by having more testes (92-152 vs. 60-80, 46-55, 51-73, and 67-89, respectively) and a greater number of proglottids (124-195 vs. 24-98, 75-81, 64-105, and 61-115, respectively).
<taxonomicName id="B3C20806A5F42E7D6EAF8BB9F3BB8097" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus ottavianoi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="ottavianoi">
<emphasis id="0497E704009A2DDDB4D11E7872F854F0" italics="true" pageId="0" pageNumber="357">Rockacestus ottavianoi</emphasis>
</taxonomicName>
sp. nov. is easily distinguished from three of its congeners by the worm length by being shorter than
<taxonomicName id="F4F2437AB84483955C41C29933720080" class="Cestoda" kingdom="Animalia" lsidName="R. brittanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="brittanicus">
<emphasis id="3006E1265B021C9CBF0401F652A71838" italics="true" pageId="0" pageNumber="357">R. brittanicus</emphasis>
</taxonomicName>
,
<taxonomicName id="F73BACD95231A3F7ADB203AF737DBA25" class="Cestoda" kingdom="Animalia" lsidName="R. georgiensis" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="georgiensis">
<emphasis id="29D8AE1A2DF1BE2A19C9CE392D6247AF" italics="true" pageId="0" pageNumber="357">R. georgiensis</emphasis>
</taxonomicName>
, and
<taxonomicName id="33676FE8C128446D5F94C4BDCC26EE9E" class="Cestoda" kingdom="Animalia" lsidName="R. williamsi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="williamsi">
<emphasis id="A60C77184065FF83547489DFECF8B2C6" italics="true" pageId="0" pageNumber="357">R. williamsi</emphasis>
</taxonomicName>
(23.1-53.1 vs. 170-250, 60-170, and 90 mm, respectively).
<taxonomicName id="B5F9B2EC8B9173C0FA69C91085D8850F" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus ottavianoi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="ottavianoi">
<emphasis id="CF88FB3D86FD9CCE82CB4AE6D11BBB5E" italics="true" pageId="0" pageNumber="357">Rockacestus ottavianoi</emphasis>
</taxonomicName>
sp. nov. can be distinguished from three species in the genus by having different size of apical sucker. In
<taxonomicName id="E494E0CF8D4356A904AAABBF433853BE" class="Cestoda" kingdom="Animalia" lsidName="R. rakusai" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="rakusai">
<emphasis id="B23D7F6953335908DFD302AD183B169D" italics="true" pageId="0" pageNumber="357">R. rakusai</emphasis>
</taxonomicName>
and
<taxonomicName id="4065AC43D904C4C041D2B2EE40425A21" class="Cestoda" kingdom="Animalia" lsidName="R. siedleckii" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="siedleckii">
<emphasis id="02585721A797F6BE9D9872FA1D5B5EBD" italics="true" pageId="0" pageNumber="357">R. siedleckii</emphasis>
</taxonomicName>
, it is bigger than in
<taxonomicName id="A58F4BE0DEFC46723E686C10265F6BF2" class="Cestoda" kingdom="Animalia" lsidName="R. ottavianoi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="ottavianoi">
<emphasis id="C0658675310871BC61F6CBF86AF3F5DF" italics="true" pageId="0" pageNumber="357">R. ottavianoi</emphasis>
</taxonomicName>
sp. nov. (250-310 and 185-220 in diameter vs. 100-130 long by 110-140 wide, respectively), whereas in
<taxonomicName id="87936F4B5837F3F2A90A9128F583CD3F" class="Cestoda" kingdom="Animalia" lsidName="R. piriei" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="piriei">
<emphasis id="3A7EFCDD64EEF9BEF067733942C3B9DD" italics="true" pageId="0" pageNumber="357">R. piriei</emphasis>
</taxonomicName>
it is smaller (90 in diameter vs. 100-130 long by 110-140 wide, respectively).
<taxonomicName id="AABB6D557717B528F874B70E82453F80" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus ottavianoi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="ottavianoi">
<emphasis id="EA72E91C44772E2180C873BC1AAF091E" italics="true" pageId="0" pageNumber="357">Rockacestus ottavianoi</emphasis>
</taxonomicName>
sp. nov. has a narrower scolex (978-1,250 in scolex width) and bigger testes (43-52 long by 55-68 wide) than
<taxonomicName id="DA822B1EDCD462A6DE8D44AC08F7FFA5" class="Cestoda" kingdom="Animalia" lsidName="R. radioductus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="radioductus">
<emphasis id="B0F1A62744C91A99432716EB8E9C9862" italics="true" pageId="0" pageNumber="357">R. radioductus</emphasis>
</taxonomicName>
(1,800-2,000 in scolex width; 40 in testes diameter). Finally,
<taxonomicName id="1D023C36D3F3479B0871334555C33529" class="Cestoda" kingdom="Animalia" lsidName="R. ottavianoi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="ottavianoi">
<emphasis id="EDB6C0FFDC4774E1908B269D4745999B" italics="true" pageId="0" pageNumber="357">R. ottavianoi</emphasis>
</taxonomicName>
sp. nov. is euapolytic and has testes distributed in 2 layers deep in cross-section, whereas
<taxonomicName id="E35BBBC04FC384C1AB7717B501C65227" class="Cestoda" kingdom="Animalia" lsidName="R. blasi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="blasi">
<emphasis id="F4AD979A34C29B6C48BE581D5619B3BB" italics="true" pageId="0" pageNumber="357">R. blasi</emphasis>
</taxonomicName>
sp. nov. is apolytic and has testes arranged in 3-4 layers deep in cross-section.
</paragraph>
<paragraph id="602510C182B6D516DD18602586144B89" pageId="0" pageNumber="357">
Update of generic diagnosis and distribution of valid species of
<taxonomicName id="1FE9AA4675104A30E54BE98CFAE63A77" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="genus">
<emphasis id="B71D5E9230D0D4525F42F4B14526E467" italics="true" pageId="0" pageNumber="357">Rockacestus</emphasis>
</taxonomicName>
</paragraph>
<paragraph id="BFF0ECF2818751DB88492FE421989D6D" pageId="0" pageNumber="357">
The diagnosis of
<taxonomicName id="D9B25DDB372EE7E97688E623A127F1D1" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="genus">
<emphasis id="E4B43E5C4E672EFAC4C3560DDE2E5773" italics="true" pageId="0" pageNumber="357">Rockacestus</emphasis>
</taxonomicName>
sensu
<bibRefCitation id="2597304794B66C833322DB02AD47284A" DOI="https://doi.org/10.1093/zoolinnean/zlaa185" author="Caira, JN" journalOrPublisher="Zoological Journal of the Linnean Society" pageId="0" pageNumber="357" pagination="1336 - 1363" refId="B3" refString="Caira, JN, Bueno, V, Jensen, K, 2021. Emerging global novelty in phyllobothriidean tapeworms (Cestoda: Phyllobothriidea) from sharks and skates (Elasmobranchii). Zoological Journal of the Linnean Society 193 (4): 1336 - 1363, DOI: https://doi.org/10.1093/zoolinnean/zlaa185" title="Emerging global novelty in phyllobothriidean tapeworms (Cestoda: Phyllobothriidea) from sharks and skates (Elasmobranchii)." url="https://doi.org/10.1093/zoolinnean/zlaa185" volume="193" year="2021">Caira et al. (2021)</bibRefCitation>
is revised to include the three species described below from the skates of the genus
<taxonomicName id="9877C363C777F2C50F704A6F549F5787" class="Chondrichthyes" family="Arhynchobatidae" genus="Bathyraja" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bathyraja" order="Rajiformes" pageId="0" pageNumber="357" phylum="Chordata" rank="genus">
<emphasis id="A2D0DDC4C509D1C87A4934FB8D6A27A9" italics="true" pageId="0" pageNumber="357">Bathyraja</emphasis>
</taxonomicName>
from continental shelf waters off Argentina. The generic diagnosis is updated as follows: worms euapolytic or apolytic; scolex spinitriches lingulate, lanceolate, coniform, filitriches papilliform or acicular; genital pores lateral, in midhalf or anterior half of proglottid, irregularly alternating; testes arranged in 2-4 rows in cross-section; vagina with seminal receptacle present or absent; uteroduct present or absent.
</paragraph>
<paragraph id="0D7C25500E1DAD5A865EA69D17DEE949" pageId="0" pageNumber="357">
The valid species now include,
<taxonomicName id="8189BC94CBD902224C6E09BBA69A5AA9" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" baseAuthorityName="Wojciechowska" baseAuthorityYear="1991" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus arctowskii" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="arctowskii">
<emphasis id="36CEE58C09E4251FDC8A254DA6BC064D" italics="true" pageId="0" pageNumber="357">Rockacestus arctowskii</emphasis>
</taxonomicName>
(Wojciechowska, 1991),
<taxonomicName id="C9362CCC5F50A0C8F0ECA42D6DA5C227" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus blasi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="blasi">
<emphasis id="96281AB1435504AB14A94BBA377D6E9A" italics="true" pageId="0" pageNumber="357">Rockacestus blasi</emphasis>
</taxonomicName>
sp. nov.,
<taxonomicName id="F46DAA7BA4A6E21E59954C4989EAA32A" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" baseAuthorityName="Williams" baseAuthorityYear="1968" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus brittanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="brittanicus">
<emphasis id="04D50D906659E850F3459D1C418F2BD3" italics="true" pageId="0" pageNumber="357">Rockacestus brittanicus</emphasis>
</taxonomicName>
(Williams, 1968),
<taxonomicName id="376F89833E27785BDBA6F573DE886860" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus carvajali" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="carvajali">
<emphasis id="30BE0206990B6E1F1882E6B48B7E505A" italics="true" pageId="0" pageNumber="357">Rockacestus carvajali</emphasis>
</taxonomicName>
Caira, Bueno &amp; Jensen, 2021,
<taxonomicName id="7176BE972A5DCBB69132CB71FFECEA53" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus conchai" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="conchai">
<emphasis id="4A2090945A21C543E90E1F6D85961DBB" italics="true" pageId="0" pageNumber="357">Rockacestus conchai</emphasis>
</taxonomicName>
Caira, Bueno &amp; Jensen, 2021,
<taxonomicName id="455F1BA185CC929C126E92EA173018BA" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" baseAuthorityName="Wojciechowska" baseAuthorityYear="1991" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus georgiensis" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="georgiensis">
<emphasis id="98F9807FED5F79FAD033821DC3FE5DC3" italics="true" pageId="0" pageNumber="357">Rockacestus georgiensis</emphasis>
</taxonomicName>
(Wojciechowska, 1991),
<taxonomicName id="CF546520B1AA6ADE9BFD72ED7A6EB4C7" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus">
<emphasis id="0F715AF08D1622814EDCF0C58DD2AC91" italics="true" pageId="0" pageNumber="357">Rockacestus magellanicus</emphasis>
</taxonomicName>
sp. nov.,
<taxonomicName id="7776C08E5F97F3E72238A76D7A209C7F" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus ottavianoi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="ottavianoi">
<emphasis id="5947371DE09F6D08579E20D7013E33A8" italics="true" pageId="0" pageNumber="357">Rockacestus ottavianoi</emphasis>
</taxonomicName>
sp. nov.,
<taxonomicName id="6188FBBF025DE9E8D1799CCBE3772707" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" baseAuthorityName="Williams" baseAuthorityYear="1968" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus piriei" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="piriei">
<emphasis id="E8363F6437D00EA777C510754C9655FD" italics="true" pageId="0" pageNumber="357">Rockacestus piriei</emphasis>
</taxonomicName>
(Williams, 1968),
<taxonomicName id="F9972D4623A3C2117B62F44FB7B411F9" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" baseAuthorityName="Kay" baseAuthorityYear="1942" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus radioductus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="radioductus">
<emphasis id="7D646F6F0B7A134A4D5F44B37C72CD11" italics="true" pageId="0" pageNumber="357">Rockacestus radioductus</emphasis>
</taxonomicName>
(Kay, 1942),
<taxonomicName id="1DA72DD21EAC47BF712DF1B298877FB4" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" baseAuthorityName="Wojciechowska" baseAuthorityYear="1991" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus rakusai" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="rakusai">
<emphasis id="AFC80B5942E20EA7CA4150DB5EC6B6FD" italics="true" pageId="0" pageNumber="357">Rockacestus rakusai</emphasis>
</taxonomicName>
(Wojciechowska, 1991),
<taxonomicName id="64596A96C010BAAE4AF1D19A696186B1" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" baseAuthorityName="Wojciechowska" baseAuthorityYear="1991" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus siedleckii" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="siedleckii">
<emphasis id="EF964FCDBE3BAE32C41526AFFAFE1583" italics="true" pageId="0" pageNumber="357">Rockacestus siedleckii</emphasis>
</taxonomicName>
(Wojciechowska, 1991), and
<taxonomicName id="009990A74A74EE2D1BEB891EA5D7D1D1" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" baseAuthorityName="Schmidt" baseAuthorityYear="1986" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus williamsi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="williamsi">
<emphasis id="86ABDB27A61E2C095164AFA71F163E26" italics="true" pageId="0" pageNumber="357">Rockacestus williamsi</emphasis>
</taxonomicName>
(Schmidt, 1986).
</paragraph>
<paragraph id="15F04F98000922EA739E2F3881B7BB37" pageId="0" pageNumber="357">
The genus is widespread among temperate waters of the East Pacific and Atlantic Oceans, with
<taxonomicName id="F0DE48C89B494AE03DC8733FE2BF2604" class="Cestoda" kingdom="Animalia" lsidName="R. brittanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="brittanicus">
<emphasis id="C245915F6046E94D93CE6E4BECF5D1B3" italics="true" pageId="0" pageNumber="357">R. brittanicus</emphasis>
</taxonomicName>
,
<taxonomicName id="32807909BAC20F5D62B5AC50EDC24DBF" class="Cestoda" kingdom="Animalia" lsidName="R. piriei" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="piriei">
<emphasis id="B3D97FBF527588188D0949A2419BFF01" italics="true" pageId="0" pageNumber="357">R. piriei</emphasis>
</taxonomicName>
, and
<taxonomicName id="7A003E76F6D40E23D00A084FF5A69EEB" class="Cestoda" kingdom="Animalia" lsidName="R. williamsi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="williamsi">
<emphasis id="D518C6D2542F9DBB880F509A7FD7ADC7" italics="true" pageId="0" pageNumber="357">R. williamsi</emphasis>
</taxonomicName>
inhabiting the Northeast Atlantic Ocean;
<taxonomicName id="08570764BE8244A057245C5462261B8C" class="Cestoda" kingdom="Animalia" lsidName="R. radioductus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="radioductus">
<emphasis id="72B6390E139517C093A58925873EF1C5" italics="true" pageId="0" pageNumber="357">R. radioductus</emphasis>
</taxonomicName>
in the Northeast Pacific Ocean,
<taxonomicName id="FCCAA8F737B663035251D0FFD8FEADA9" class="Cestoda" kingdom="Animalia" lsidName="R. carvajali" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="carvajali">
<emphasis id="9B0378B5377CA23E222B16319A4813BA" italics="true" pageId="0" pageNumber="357">R. carvajali</emphasis>
</taxonomicName>
from off
<normalizedToken id="A85B3BF3EF7847B7EAA9ED9D33A3E983" originalValue="Chiloé">Chiloe</normalizedToken>
Island in the Southeast Pacific Ocean, and
<taxonomicName id="31DAAAC2FF3B25AA26600634C38365DA" class="Cestoda" kingdom="Animalia" lsidName="R. conchai" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="conchai">
<emphasis id="2F92393942204D054BE5ED2772A617C0" italics="true" pageId="0" pageNumber="357">R. conchai</emphasis>
</taxonomicName>
off Malvinas Islands in the SWA. A subset of
<taxonomicName id="D7250B6A6DB84F9B51293FDEA93F6ADB" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="genus">
<emphasis id="13E8D99E58E3B1DAFE4674728AA2D496" italics="true" pageId="0" pageNumber="357">Rockacestus</emphasis>
</taxonomicName>
species also inhabits sub-Antarctic and Antarctic waters, with
<taxonomicName id="F922D7D971061BA198378AFD1B721BF7" class="Cestoda" kingdom="Animalia" lsidName="R. georgiensis" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="georgiensis">
<emphasis id="E09DAF72EC6EC415A1F1660F2D572205" italics="true" pageId="0" pageNumber="357">R. georgiensis</emphasis>
</taxonomicName>
from off South Georgia Island,
<taxonomicName id="469F9D3661602E91736678B6509773E7" class="Cestoda" kingdom="Animalia" lsidName="R. rakusai" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="rakusai">
<emphasis id="050F5F24032BDEAD24E0C57831893067" italics="true" pageId="0" pageNumber="357">R. rakusai</emphasis>
</taxonomicName>
registered off the Antarctic Peninsula, and records of
<taxonomicName id="9FAE23B7591D9169DA8D48123038E10B" class="Cestoda" kingdom="Animalia" lsidName="R. arctowskii" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="arctowskii">
<emphasis id="203D8EF82EA188FB8FE2C7365BFEC824" italics="true" pageId="0" pageNumber="357">R. arctowskii</emphasis>
</taxonomicName>
and
<taxonomicName id="8632F4773B73179EECBD088CB87541F7" class="Cestoda" kingdom="Animalia" lsidName="R. siedleckii" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="siedleckii">
<emphasis id="178258BCC75588F3459D8AB859A37A88" italics="true" pageId="0" pageNumber="357">R. siedleckii</emphasis>
</taxonomicName>
off the Antarctic Peninsula and the Weddel Sea.
<taxonomicName id="9A51FF0F6060EC90EDA47A28B1CABB81" authorityName="García Facal &amp; Ivanov &amp; Menoret" authorityYear="2024" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus blasi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="blasi">
<emphasis id="C4D4838A2DEC2290BC0D9440A12DDB72" italics="true" pageId="0" pageNumber="357">Rockacestus blasi</emphasis>
</taxonomicName>
sp. nov.,
<taxonomicName id="F71DC9F13A613FBB82E0A1F7B661B612" class="Cestoda" kingdom="Animalia" lsidName="R. magellanicus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="magellanicus">
<emphasis id="5033D1E79BA477C3C28C9B1F9135AE69" italics="true" pageId="0" pageNumber="357">R. magellanicus</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName id="2C3B7BD0612FF1E65E3FC796EE73EBFC" class="Cestoda" kingdom="Animalia" lsidName="R. ottavianoi" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="species" species="ottavianoi">
<emphasis id="861308E6B7CEC96794E0A0FEA35104AF" italics="true" pageId="0" pageNumber="357">R. ottavianoi</emphasis>
</taxonomicName>
sp. nov. are restricted to the Magellanic Province
<emphasis id="AAC3304D724B19333B43D21D342ECC4F" italics="true" pageId="0" pageNumber="357">sensu</emphasis>
<bibRefCitation id="54913E018176C35CD50F5BB3019A08C5" DOI="https://doi.org/10.1093/icesjms/fsaa064" author="Sabadin, DE" journalOrPublisher="ICES Journal of Marine Science" pageId="0" pageNumber="357" pagination="1893 - 1905" refId="B33" refString="Sabadin, DE, Lucifora, LO, Barbini, SA, Figueroa, DE, Kittlein, M, 2020. Towards regionalization of the chondrichthyan fauna of the Southwest Atlantic: A spatial framework for conservation planning. ICES Journal of Marine Science 77 (5): 1893 - 1905, DOI: https://doi.org/10.1093/icesjms/fsaa064" title="Towards regionalization of the chondrichthyan fauna of the Southwest Atlantic: A spatial framework for conservation planning." url="https://doi.org/10.1093/icesjms/fsaa064" volume="77" year="2020">Sabadin et al. (2020)</bibRefCitation>
in the SWA. The finding of the new species increases the species richness from two to five in marine waters around South America. Thus, the known latitudinal range of the genus in the Northern Hemisphere covers from 48°N to 58°N whereas in the Southern Hemisphere
<taxonomicName id="3D1B5DF54C4F314E9D607BBB2C373F49" authorityName="Caira, Bueno &amp; Jensen" authorityYear="2021" class="Cestoda" family="Phyllobothriidae" genus="Rockacestus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rockacestus" order="Phyllobothriidea" pageId="0" pageNumber="357" phylum="Platyhelminthes" rank="genus">
<emphasis id="EA53AAC6FB9A23F93B05C2B4B2DEB367" italics="true" pageId="0" pageNumber="357">Rockacestus</emphasis>
</taxonomicName>
now ranges between 37 to 74°S (Fig.
<figureCitation id="C9EE77DCB1908316E466478CBD355981" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Geographic distribution of the valid species of Rockacestus from the Southern Hemisphere. Symbols: red dot: new records; blue dot: previous records; Rar - Rockacestus arctowskii; Rbl - Rockacestus blasi sp. nov.; Rca - Rockacestus carvajali; Rco - Rockacestus conchai; Rge - Rockacestus georgiensis; Rma - Rockacestus magellanicus sp. nov.; Rot - Rockacestus ottavianoi sp. nov.; Rra - Rockacestus rakusai; Rsi - Rockacestus siedleckii." figureDoi="10.3897/zse.100.117956.figure9" httpUri="https://binary.pensoft.net/fig/1014947" pageId="0" pageNumber="357">9</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</subSection>
</document>
Reference in a new issue View git blame Copy permalink